What type of data is stored in the testng_failed_.xml file?

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The testng_failed_.xml file is specifically designed to capture and store information related to failed test cases executed during a testing run using TestNG, a popular testing framework in Java. This file is generated automatically when a test suite runs and one or more tests fail.

The contents of the testng_failed_.xml file include details such as the specific tests that did not pass, along with any associated error messages or stack traces. This allows developers and testers to quickly identify which tests need to be revisited or fixed.

While other options may contain relevant information related to the testing process, the primary purpose of the testng_failed_.xml file is to focus exclusively on the failures, highlighting its role as a targeted reporting tool for diagnosing issues within the test suite. This distinguishes it from broader categories such as test configuration or execution results, which encompass more than just failed scenarios.